body {
    background-color: #e1e1e1;
}

/* 核心模块列表 */
.feature-core-module-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px;
    background: #ececec;
}

.feature-core-module-card.nobg {
    background: transparent;
}

.feature-core-module-card.full-bg {
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 50%, #bdbdbd 100%);
}

.feature-core-module-card .feature-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 30px;
}

.feature-core-module-card .feature-desc {
    text-align: center;
    font-size: 18px;
    color: #999;
}

.feature-core-module-card .feature-content {
    margin-top: 30px;
    margin-left: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.feature-core-module-card .feature-content .feature-item {
    width: 180px;
    height: 160px;
    border-radius: 6px;
    background-color: rgb(250, 250, 250);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 30px;
    gap: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: 2px 2px 20px rgba(0, 0, 0, 0.01);
}

.feature-core-module-card .feature-item .icon {
    font-size: 3em;
    line-height: 1;
    color: rgb(26, 26, 26);
}

.feature-core-module-card .feature-item .feature-item-title {
    font-size: 1.2em;
    font-weight: 800;
    color: rgb(26, 26, 26);
}

.feature-core-module-card .feature-item .feature-item-desc {
  text-align: center;
  font-size: 0.9em;
  font-weight: 400;
  color: rgb(130, 130, 130);
}

/* 产品演示样式 */
.feature-core-module-card .feature-content .imgBox {
    border-radius: 6px;
    overflow: hidden;
    padding: 10px 20px;
    background: #fff;
    width: 820px;
}

.feature-core-module-card .feature-content .imgBox img {
    width: 100%;
}

/* 用户评价卡片 */
.feature-core-module-card .feature-content .card-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}
.feature-core-module-card .feature-content .card-box .card-item {
    width: 300px;
    background: linear-gradient(to right,rgb(197, 196, 195),rgb(235, 234, 234));
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
    padding: 20px;
    position: relative;
    overflow: hidden;
  }
  
  .feature-core-module-card .feature-content .card-box .card-item::before {
    width: 150px;
    height: 150px;
    content: "";
    background: linear-gradient(to right,rgb(197, 196, 195),rgb(235, 234, 234));
    position: absolute;
    z-index: 1;
    border-radius: 50%;
    right: -25%;
    top: -25%;
  }
  
  .feature-core-module-card .feature-content .card-box .card-item .card-header {
    font-size: 1.5em;
    font-weight: 600;
    color: rgb(5, 5, 5);
    z-index: 2;
  }
  
  .feature-core-module-card .feature-content .card-box .card-item .card-desc {
    font-size: 0.9em;
    color: rgb(5, 5, 5);
    z-index: 2;
  }
  
  .feature-core-module-card .feature-content .card-box .card-item .card-desc a {
    color: rgb(5, 5, 5);
  }
  
  .feature-core-module-card .feature-content .card-box .card-item .card-ft {
    padding: 11px 20px;
    background-color: #b6b6b6;
    transition-duration: .2s;
    border: none;
    color: rgb(5, 5, 5);
    cursor: pointer;
    font-weight: 600;
    z-index: 2;
  }




@media screen and (max-width: 500px) {
    /* 在这里添加在宽度小于等于 992px 时的样式 */
    
}

/* 底部版权信息 */
.footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px;
    color: #222;
    line-height: 2em;
}

.footer .ft-header {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer .ft-header .logo {
    display: flex;
    align-items: center;
    
}

.footer .ft-header .logo-text {
    margin-left: 6px;
    font-size: 16px;
    font-weight: 500;
}

.footer .ft-header .slogan {
    font-size: 14px;
    color: #666;
}

.footer .copyright {
    display: flex;
    align-items: center;
    font-size: 12px;
    color: #666;
}

.footer .copyright img {
    width: 14px;
    padding: 0 2px;
    vertical-align: -2px;
}